OYO STATE GOVERNMENT
IBADAN URBAN FLOOD MANAGEMENT PROJECT (IUFMP)
(PROJECT NO: P130840 IDA NO. 5510)
REQUEST FOR EXPRESSION OF INTEREST
BATHYMETRIC SURVEY OF ELEYELE, AWBA AND IITA DAMS & DAM SAFETY BASEMENT OF AWBA AND IITA DAMS
ISSUED DATE: THURSDAY 4TH JULY, 2019

1.0. BACKGROUND
Ibadan, the capital city of Oyo State and the third largest metropolitan area in Nigeria, after Lagos and Kona, is highly exposed to flooding. The city has a population of around 6million and a growth rate of 3.4%. It is the largest metropolitan geographical area in West Africa (1,190 sq mi or 3,080 km) with a highly built up and dense population.

The city has been experiencing number of flood events the last 50 years (16 major events recorded). Notable of these events, was the Ogumpa disaster of year 1980 which was recorded to have resulted in a death toll of 500 people. The Most recent major flood event took place after a heavy rain downpour occurred August 26, 2011, resulting in the overflow of Eleyele reservoir and causing the death of more than 120 people and serious damage to infrastructure.

A Post Disaster Needs Assessment (PDNA), by the Oyo State government, and supported by the World Bank, Identified multiple interconnected factors, contributing to the growing challenges Ibadan management. Five were retained under the project:
i. Eleyele dam safety (dam currently used for water supply storage)
ii. Ibadan city drainage
iii. Solid waste management (SWM)
iv. Land use planning; and
v. Flood control asses management

Given the limited project funds and weak absorptive capacity by the Oyo State Government, the above issues were prioritized and ranked by importance and urgency. While the project address deficit in sector knowledge and institutional capability under all of the above issues, it only finance physical investments aimed at restoring the Eleyele dam safety and improving the Ibadan city drainage according to a clearly investment hierarchy

The Ibadan Urban Flood Management project (IUFMP) aims in the short term, to rehabilitate key infrastructure of Ibadan City, Especially those destroyed by August 26, 2011 floods, and in the medium term, develop a long-term flood risk management, and providing enough flexibility in the project design to make changes based on learning. The project will also support capability building for flood risk management in the city of Ibadan. It will reinforce Oyo state government’s early warning and response capabilities and leverage existing World Bank projects in Oyo State in support of the IUFMP.

The Project development Objectives is to improve the capability of Oyo State to effectively manage flood risk in the city of Ibadan. The project was designated to keep a good bane between urgent post disaster needs (dredging, re-constructional support, upgrading existing and building new infrastructure to ungraded service and mitigate future risk).

2.0. OBJECTIVE OF THE CONSULTANCY ASSIGNMENT
The objective of the consultancy service is to safety of the dams with a view to adequately protect the local environment and the communities from risks and to improve the safe and efficient performance of the dams.

3.0. SCOPE OF SERVICE
The scope of the assignment is not limited to the following:
1. To undertake bathymetric survey of Eleyele, Awba and IITA reservoirs to obtain accurate elevation – Area storage characteristics of the reservoirs
The Specific Objective of the Bathymetric Survey includes:
a. Review of previous bathymetric surveys conducted, if any, for the reservoirs of the three dams.
b. Define methodology for the bathymetric survey including selection of appropriate survey technique, instrumentation/equipment requirement, filed organization and data collection.
c. Conduct the actual field date collection
d. Process and analyze data collected
e. Identify major findings and provide recommendations based on the results of the analysis.
2. To undertake a dam safety assessment of Awba and IITA dams to make sure that Eleye dam which is within the jurisdiction of Ibadan Urban Flood Management Project (IUFMP) is safe to potential failure of the two upstream dams.
The Dam Safety Assessment Shall include the following:
a. Detail dam safety inspection of the dams
b. Hydrological analysis to determine adequacy to accommodate a Design and Safety Evaluation Flood
c. Current and future demands for the das and the plans the respective owners have for the dams
d. Impact of dam failure on Elelyele dam and further downstream
e. Identification, Justification and prioritization of improvement measure for dam safety
f. Preliminary cost estimate to allow the owners to undertake improvement measure;

The Ibadan Urban Flood Management Project (IUFMP) now invites eligible Consulting firm/Consortium to indicate their interest in providing the services. Interested consultants must provide information indicating that they are qualified to perform the services (brochures, description of similar assignments, experience in similar conditions, general qualification and number of key staff and so forth).

A consulting firm will be selected in accordance with the consultants Qualification Selection (CQS) Procedures set out in the World Bank’s Guidelines: Selection and Employment of Consultants by the World Bank Borrowers January 2011. Please visit www.worldbank.org

Interested Consulting firm/Consortium may obtain further information at the address below between the working hours of 9:00 a.m. – 4:00 pm, Mondays through Fridays excluding public holidays.

Expression of Interest must be delivered to the address below on or before Thursday 1st August, 2019 between the working hours of 9:00am -4:00pm, Mondays through Fridays excluding public holidays.

The Project Coordinator
Ibadan Urban Flood Management Project (IUFMP)
Plot 1068, Ikolaba GRA
Along Federal Secretariat Complex,
Ikolaba, Ibadan
Oyo State

Tel: +2348073141729, +2348029689906
E-mail: iufmpprocuremnet@gmail.com

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